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Find the World's Best Unix Freelancers

Upwork is the leading online workplace, home to thousands of top-rated freelancers. It’s simple to post your job and get personalized bids, or browse Upwork for amazing talent ready to work on your Unix project today.

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Kyrylo P. - C/C++ Software Engineer & Architect

Kyrylo P.

C/C++ Software Engineer & Architect

$36/hr
851 hours
Ukraine
100% JOB SUCCESS
“I liked working with Kyrylo very much. His technical ability, his patience and his professionalism made this project to be delivered successfully. I'm very pleased with his work.”
  • Video Streaming
  • C
  • C++
  • Unix
  • Qt
Zamiul H. - Expert WordPress Developer and UNIX Administrator

Zamiul H.

Expert WordPress Developer and UNIX Administrator

$25/hr
50 hours
Bangladesh
83% JOB SUCCESS
“Excellent job! Would definitely hire again. Thanks!”
  • WordPress
  • PHP
  • HTML5
  • CSS3
  • Unix
Josep E. - Ruby on Rails and Full Stack Web Developer

Josep E.

Ruby on Rails and Full Stack Web Developer

$75/hr
61 hours
Spain
New to Upwork
  • Ruby
  • Ruby on Rails
  • jQuery
Anton P. - Java developer

Anton P.

Java developer

$25/hr
0 hours
Russia
New to Upwork
  • Java
  • Google Web Toolkit
  • JPA
Kumar A. - Wordpress, Calculators and Divi Theme Expert

Kumar A.

Wordpress, Calculators and Divi Theme Expert

$35/hr
6,797 hours
India
95% JOB SUCCESS
“Very quick to respond and complete the job! I will use Kumar again!”
  • WordPress
  • PHP
  • HTML
  • CSS
  • jQuery
Hayden J. - Linux|LAMP|AWS|Nginx|Varnish|Wordpress|PHP|MySQL

Hayden J.

Linux|LAMP|AWS|Nginx|Varnish|Wordpress|PHP|MySQL

$85/hr
1,547 hours
Antigua and Barbuda
100% JOB SUCCESS
  • Unix
  • LAMP Administration
Denis S. - Expert in Hosting. Building, supporting and troubleshooting. Win/unix

Denis S.

Expert in Hosting. Building, supporting and troubleshooting. Win/unix

$30/hr
0 hours
Montenegro
100% JOB SUCCESS
“Great job, just what I was looking for. Will hire again!!”
  • Microsoft Lync Server
  • Unix
Ramon L. - [FULLTIME] Java EE | Android | Desktop | JavaScript | AWS Developer

Ramon L.

[FULLTIME] Java EE | Android | Desktop | JavaScript | AWS Developer

$18/hr
2,235 hours
Philippines
94% JOB SUCCESS
“Ramond did a great job, his feedback allowed us to improve documentation for Java web cache Cacheonix significantly. I'll definitely hire him again.”
  • Java
  • MongoDB
  • SQL
  • Hibernate
Roman S. - A Seasoned Developer

Roman S.

A Seasoned Developer

$35/hr
4,613 hours
Russia
100% JOB SUCCESS
“I'm very satisfied and would hire again! Roman and his professional team did a great job in all aspects. Quality comes at a price of course, but it's justified: you have exceeded...”
  • Python
  • Django
  • SQL
  • Unix
  • PHP
  • C#
Aleksey G. - node.js / php developer

Aleksey G.

node.js / php developer

$25/hr
1,939 hours
Russia
100% JOB SUCCESS
“Excellent developer, plan to continue working with”
  • Node.js
  • Unix
  • PHP
  • Java
Brian W. - CyberSolutions LLC - Magento Developer - Enterprise and Community

Brian W.

CyberSolutions LLC - Magento Developer - Enterprise and Community

$50/hr
1,397 hours
United States
98% JOB SUCCESS
“Fantastic! Very professional and easy to work with.”
  • Magento
  • PHP
  • Unix
  • HTML
  • HTML5
Sonia T. - Software Testing/Perl/Python scripting

Sonia T.

Software Testing/Perl/Python scripting

$11/hr
540 hours
India

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Your website or dynamic web application is a sum of layers—structure, design and content, and functionality. The technology and programming that “power” a site—what your end user doesn’t see but what makes the site run—is called the back end. Consisting of the server, the database, and the server-side applications, it’s the behind-the-scenes functionality—the brain of a site. This is the ecosystem of the database manager and the back-end developer.

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